//
//  UIBarButtonItem + Tagre.swift
//  weibo1
//
//  Created by 李进 on 15/10/25.
//  Copyright © 2015年 李进. All rights reserved.
//

import UIKit

extension UIBarButtonItem{
    
    convenience init(imageName: String, target: AnyObject?, actionName: String?){
        let button = UIButton(imageName: imageName, backImageName: nil)
        
        // 判断 actionName
        if let actionName = actionName {
            button.addTarget(target, action: Selector(actionName), forControlEvents: .TouchUpInside)
        }
        
        self.init(customView: button)
    }

}